A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6110-01-484-4674
NSN 4140-00-551-3151
NSN 5999-01-461-7968
NSN 5985-01-069-2689
NSN 5990-00-653-8595
NSN 6135-00-255-1340
NSN 5996-01-212-9866
NSN 6685-00-555-4198
NSN 4140-01-106-4604
NSN 5915-00-905-5787
NSN 5930-01-041-3965
NSN 5915-00-912-3391